Duminy, Andrew Hadley.Allan, I. K.Lumby, Anthony Bernard.2012-10-192012-10-1919741974http://hdl.handle.net/10413/7346Thesis (Ph.D.)-University of Natal, Durban, 1974.No abstract availableen-ZATariff--South Africa.Industries--South Africa.South Africa--Economic policy.South Africa--Economic conditions--1918-1939.Theses--History.The Customs Tariff and the development of secondary industry in South Africa with special reference to the period 1924-1939.Thesis